These displays are small, only about 1″ diagonal, but very readable due to the high contrast of an OLED display. This display is made of 128×32 individual white OLED pixels, each one is turned on or off by the controller chip. Because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast; we really like this miniature display for its crispness!
The driver chip SSD1306, communicates via I2C only. 3 pins are required to communicate with the chip in the OLED display, two of which are I2C data/clock pins.
The OLED and driver require a 3.3V power supply and 3.3V logic levels for communication. To make it easier for our customers to use, we’ve added a 3.3v regulator and level shifter on board! This makes it compatible with any 5V microcontroller, such as the Arduino.
The power requirements depend a little on how much of the display is lit but on average the display uses about 20mA from the 3.3V supply. Built into the OLED driver is a simple switch-cap charge pump that turns 3.3v-5v into a high voltage drive for the OLEDs, making it one of the easiest ways to get an OLED into your project!
Of course, we wouldn’t leave you with a datasheet and a “good luck”: We have a detailed tutorial and example code in the form of an Arduino library for text and graphics. You’ll need a microcontroller with more than 512 bytes of RAM since the display must be buffered.
You can download our SSD1306 OLED display Arduino library from github which comes with example code. The library can print text, bitmaps, pixels, rectangles, circles and lines. It uses 512 bytes of RAM since it needs to buffer the entire display but its very fast! The code is simple to adapt to any other microcontroller.
If you’re using this on a device that runs Circuit Python, such as the Circuit Playground Express, there’s a tutorial with example code too.
Technical Details:
Datasheet, EagleCAD PCB files, and Fritzing available in the product tutorial
Dimensions:
- PCB: 20mm x 35mm (0.8″ x 1.4″)
- Display area: 7mm x 25mm
- Thickness: 4mm
Display details:
- Diagonal Screen Size：0.91″
- Number of Pixels：128 × 32
- Color Depth：Monochrome (White)
- Module Construction：COG
- Module Size (mm)：46.30× 11.50 × 1.45
- Panel Size (mm)：30.00 × 11.50 × 1.45
- Active Area (mm)：22.384 × 5.584
- Pixel Pitch (mm)：0.175 × 0.175
- Pixel Size (mm)：0.159 × 0.159
- Duty：1/32
- Brightness ( cd/m2)：150 (Typ) @ 7.25V
- Interface：I2C
- Display current draw is completely dependent on your usage: each OLED LED draws current when on so the more pixels you have lit, the more current is used. They tend to draw ~15mA or so in practice but for precise numbers you must measure the current in your usage circuit.
- This board/chip uses I2C 7-bit address 0x3C
Fast Shipping and Professional Packaging
Because of our long-standing partnership with UPS, FedEx, DHL and many other leading global carriers, we can provide various shipping options. Our warehouse staff is highly trained and will pack the items according to our exact and precise specifications. Before shipping, your goods will be thoroughly examined and secured. We deliver to thousands of customers every day from all over the world. This is a sign of our dedication to being the largest online retailer worldwide. There are distribution centers as well as warehouses located in Europe as well as the USA.
Note: Orders with more than one product are assigned a specific processing period dependent on the particular item.
Before shipping, we will examine the items ordered carefully before shipping. The majority of orders are shipped within 48 hours. The time to deliver varies from 3-7 days.
Returns
The stock is constantly changing and cannot be fully controlled by us due to the involvement of many parties including the factory and our warehouse. This means that the actual stock could alter at any time. Be aware that it is possible that your order could be out of stock after you have made the order.
Our policy lasts thirty days. If you haven't received your item within 30 days, we're unable to offer the option of a refund or exchange.
You are able to return an item when it's unopened and is in the same condition as when you first received it. It should also be returned in its original packaging.
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